Finding the Fourth Proportional to 328,442.65, 453,264.30 and 207,539.82
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Solution
The fourth proportional to 328,442.65, 453,264.30 and 207,539.82 is: 286,413.45
Step by Step Solution
- Step 1: Write the proportion equation
328,442.65 : 453,264.30 = 207,539.82 : x - Step 2: Convert to fraction form
328,442.65/453,264.30 = 207,539.82/x - Step 3: Cross multiply
328,442.65x = 453,264.30 × 207,539.82 - Step 4: Simplify right side
328,442.65x = 94,070,391,234.43 - Step 5: Solve for x
x = 94,070,391,234.43/328,442.65 - Step 6: Final answer
x = 286,413.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.